tonight it's war. donald trump declares the shackles are off, unleashing a furious tirade on the highest ranking republican, speaker paul ryan, and on senator john mccain. while his campaign trains its focus on hillary clinton, trump trains his fire on his own party. race against time for the rescuers desperately trying to reach families cut off, trapped by flood waters after hurricane matthew. tonight, new dramatic rescues and a jaw-dropping view from the air. crisis mode. a major announcement amid new fears about exploding smartphones, as the company now clashes with apple. and breaking health news tonight. an alert for millions of americans who take

right now. from nbc news world headquarters in new york, this is "nbc nightly news" with lester holt. good evening. with his campaign losing ground and his party locked in a civil war over whether to even support him, donald trump has proclaimed the shackles are off. the republican nominee lashing out today and making it clear that any republican who isn't with him will pay a price. a brand-new nbc news/"wall street journal" poll taken after sunday's debate has hillary clinton over trump, 46-37, in a four-way match-up. to get back on track, trump appears to be reverting to the combative unscripted candidate we saw in the primaries. already today, demonstrating that nothing is off limits. nbc's hallie jackson has details. >> reporter: throwing red meat to his supporters, a donald trump tweet storm, hitting fellow republicans and hillary clinton. so nice that the shackles have been taken off me, trump writes.

apparently trump chained down. >> they're rapists. >> he's not a war hero. >> you got to see this guy, oh, i don't know what i said. >> reporter: a senior adviser said a new campaign ad out tonight previews the unshackled final four weeks. >> hillary clinton doesn't have the fortitude, strength, or stamina to lead in our world. >> reporter: the sharper attacks on clinton and her husband as a sign of steve bannon's snuns. trump's combine ceo and unt part of breitbart. some supporters feeding off it. one woman today calling for revolt. if hillary clinton gets in, i myself am ready for a revolution. >> don't say that. >> reporter: mike pence trying to tamp that down. the impact on republicans -- >> the fact is, i can't -- seriously, i cannot vote for either one. >> after 2005 audio of

surfaced friday, troubling even one of his highest profile supporters, new jersey governor chris christie. >> i've known him for a long time. and i'm really upset by what i heart, but in the end, this election is about bigger issues than just that. so at this point, i still support him. >> reporter: our new polling shows after sunday's debate, more republicans now want down-ballot candidates to support the top of the ticket, so does mike pence. interview with nbc's kelly o'donnell. >> is the party in crisis? >> i think -- i think the country's in a lot of trouble right now. >> but republicans fighting republicans -- >> i don't find myself thinking a whole lot right now about party. i find myself and donald trump finds himself thinking mostly about america. >> reporter: tonight trump's expected to target not other republicans like he did online, but hillary clinton, and among other topics, her leaked campaign

up. lester? >> hallie jackson, thank you. hillary clinton meanwhile is facing new and potentially embarrassing revelations after wikileaks exposed more e-mail from her campaign chairman. but clinton got backup on al gore, reminding key voters how florida cost him the presidency in 2000. we get more from nbc's andrea mitchell. >> reporter: tonight former vice president al gore on the trail for the first time, reminding voters how florida cost him the presidency in 2000. >> your vote really, really, really counts. >> reporter: both targeting millenials and former bernie sanders supporters passionate about climate change. >> we cannot risk putting a climate denier in the white house. >> the choice in this election is extremely clear. hillary clinton will make solving the climate crisis a top national priority. >> reporter: but all

e-mails from clinton campaign chair john podesta, released by wikileaks and not independently verified by nbc news, show clinton was reluctant to adopt one of gore's biggest goals, stopping the keystone pipeline. clinton first signaling support. >> it is not yet signed off on it, but we are inclined to do so. >> reporter: but in 2015, with sanders rising in the polls, clinton aides exchanged a flurry of e-mails about how to change her position on the pipeline without manufactured and very political. weeks later responding to a voter's question, she switched her position. >> therefore, i oppose it. >> reporter: another e-mail showing contact between the clinton campaign and the justice department. clinton press secretary brian fallon writing, he was in touch with the justice department where he once worked, regarding lawsuits over clinton's e-mails. quote, doj folks informed me there's a status hearing in the case. >> this latest batch of documents

clinton is one disclosure away from potentially having this race flip flop once again. >> reporter: the clinton team blaming the leaked e-mails on what u.s. intelligence says is russian hacking. donald trump who has had intelligence briefings on russia's role, but denied it in sunday's debate declaring -- >> tonight clinton getting attention for something she said to "the new york times." sh before. the campaign telling us, it's partly tongue in cheek, but also serious. she does think that donald trump is unlike any other republican nominee. >> nbc's andrea mitchell, thank you. now to the emergency situation unfolding this evening from the carolina coast to the caribbean. hurricane matthew is long gone, but it's damage is lasting. in haiti, hundreds are dead and aid is only just now beginning to reach so many left devastated. here in the u.s., it's a race against time to save so many still

as nbc's miguel almaguer shows us from high above the flood zone. >> lester, good evening from just a few hundred feet above the flood stage, where they call this an unfolding disaster. at least 30 people have already been killed in this storm. a death toll many fear will rise. tonight the u.s. coast guard is running out of time. there are teams deployed, desperately looking for those floods. plucking 17 to safety. >> you can see the water flowing through buildings and houses and all the cars that are up to their roofs. you can just tell how much damage is going on down there. >> reporter: today search teams reached elderly residents from this high-rise. the weak, fragile, disabled, carried to safety. >> awful. >> we're going to keep an eye on it. >> awful. >> reporter: in a town drawning in a river that burst its banks, a texas man watching this drone video,

tweeted a plea to help his stranded sibling. >> i seen a boat in the far-off distance, so i flew it over there. >> reporter: the drone operator alerted rescuers. >> reporter: a team came swooping in, ferrying chris williams and his dog to safety. >> it's incredible that it worked. >> reporter: it's hardly the only town in north carolina in trouble. that's clear from our view tonight. rising rivers has everyone on high alert. the lumber river at a record high, pouring into surrounding communities. tina kelly left florida to escape matthew's rain and wind. but in north carolina, she became a victim of the storm's flood. >> we have been held up over here at a hotel with no power, no water, no food. >> reporter: tonight she's trying to get back home. grateful for what she has amid so much loss.

news, lumberton, north carolina. >> reporter: this is gabe gutierrez in haiti's southern peninsula where matthew's wrath is all-consuming. homes are shredded, food is scarce. this man tells us he had to race up the side of a mountain to escape the rising flood waters. the u.n. estimates more than a million people like him are now in need of humanitarian aid after the category 4 hurricane ripped through here with 145-mile-an-hour winds. this church before the storm. from digital globe taken right after. i lost everything, except my 6-month-old daughter, this woman says. haitian authorities confirm almost 500 people have been killed, but one tally by reuters puts the death toll at over a thousand. there's destruction as far as the eye can see. aid is slowly trickling into in country, but not fast enough for those in the most devastated areas. holly works with care, one of the largest aid

jeremie. >> it's going to be a long road. >> reporter: nbc's dr. john torres visited a clinic where the spread of cholera is now the biggest fear. >> there's been 279 cases in the whole country, with ten deaths. >> reporter: tonight the scale of destruction is staggering and the people here have an urgent plea. help. gabe gutierrez, nbc news, jeremie, ha tonight over reports of exploding cell phones. samsung said it will no longer make or sell its galaxy note 7 after the original and the replacement would smoke and catch fire. all of it coming as the phone wars went to the supreme court tonight. our justice correspondent pete williams has all the details. >> reporter: galaxy note 7 owners can't get rid of them fast enough. >> it's a man made

something to be a glitch. but this is really outrageous. >> reporter: after struggling to fix the problem, the world's largest smartphone maker today gave up, halting all production of the note 7. users worldwide said the phone would burst into flames. replacements had the same problem. daniel frank said his caught fire in a restaurant. >> i think about my 8-year-old daughter and say, play with this. >> reporter: the only bright spot for samsung today is that long running battle with the world's other smartphone giant. apple said smart phones used to be clunky until 2007 when the iphone captivated the market with a sleek design. black translucent screen with rounded corners and a grid of colorful icons for applications. apple sued samsung for that design and said it's entitled to all the profits samsung made on smartphones.

a smartphone isn't like a scarf, where a design is everything. >> we are talking about products that have 250,000 pat entdented features. >> reporter: but justices seemed prepared to rule samsung would have to pay something. pete williams, nbc news, at the supreme court. federal prosecutors said they will file criminal contempt against controversial arizona sheriff joe arpaio. arpaio has been a lightning rod in the fight over illegal immigration. had previously been told to stop those patrols amid allegations of racial profiling. late details on this from nbc's gadi schwartz. >> reporter: a crowd erupting into cheers outside a phoenix courthouse after hearing federal prosecutors would be charging the controversial and self-proclaimed

the charges stemming from a racial profiling case where a judge had ordered arpaio to stop targeting latinos during immigration sweeps. arpaio admitted his department continued the round-ups, but said he didn't violate the judge's orders intentionally. the judge disagreed, saying arpaio disoboyed because he thought it could help him get re-elected. they found misconduct, faith. >> our position is and always has been that there was no willful violation of the judge's order. >> reporter: arpaio has made a name for himself by forcing prisoners to wear pink and live in canvas tents in triple-digit temperatures. so far racial profiling cases against him have cost arizona taxpayers nearly $50 million. today's announcement of criminal charges coming the day after early voting starts in

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supplements may raise the risk of heart disease. but eating foods rich in calcium may have the opposite effect. here's nbc's tom costello. >> reporter: tonight a warning for the more than 40% of american men and women who take calcium supplements. in a ten-year study involving 2,700 people, half of them women, researchers at johns hopkins medicine found those who took supplements were 22% more likely to have kals-up in their coronary sign of heart disease. but those adults who got calcium from their diet had no heart disease. >> you think this is a serious risk? >> i do. >> reporter: the doctor said a supplement causes calcium levels to surge. and with that excess calcium in your blood, may deposit into soft tissues, including the heart and its major

>> reporter: 46-year-old christina is concerned about bone loss and takes a daily supplement. >> i believe that the proper amount of calcium will help to not only prevent osteoporosis, but also prevent me from fracturing a bone if i should fall. >> reporter: but for most women, the supplement may not be necessary. researchers say the typical adult needs about a thousand milligrams of kalssium a day. women over 50 and men over 70, milligrams a day. the supplement industry tells nbc news the product is safe and women should get their daily calcium through a combination of diet and supplements. but tonight researchers say a pill is usually no substitute for real food. tom costello, nbc news, baltimore. we're back in a with my moderate to severe crohn's disease,... ...i was always searching for ways to manage my symptoms.

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well, a demolition crew had to try, try again to bring down a bridge today in arkansas. the explosive charges went off, but the stubborn bridge refused to budge. a boat tried to bring it down with cables. finally the bridge collapsed five hours after the blast. maybe you've seen the headlines, neighborhoods across the country on edge after a series of scares involving people dressed as clowns. the sightings are terrorizing kids and authorities are taking it very seriously. now as ren tells us, it's led to a big fast-food chain to sideline its mascot. >> he is arguably one of the most recognized american icons. >> i hope your day is fan tab louse -- >> reporter: but tonight ronald mcdonald is in hiding, the latest victim of the frightening clown frenzy. according to mcdonald's, he's laying low. mindful of the current climate of clown

gotten multiple reports of so-called killer clowns. >> i thought i was actually going to die. >> reporter: in australia, police are patrolling schools. tensions growing by the day as social media explodes with clone photos and threats. in detroit, a clown was spotted clinging to the back of a bus. in an 11-year-old in minnesota said he was chased by a clown carrying a butcher knife. three teens were picked up there. >> reporter: while most of the recent sightings are copycat hoaxes, psychologists say they are treating anxiety in children as a result. >> remember, if you want to act like a clown, we have no problem treating you like one. >> reporter: a reminder that police are taking every incident seriously, in a creepy clown craze, getting out of control. kristen dahlgren, nbc news, new york. when we come back, how one soldier's

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family of a fallen american soldier comes in with a dream that's inspiring america. here's our rehema ellis. >> reporter: at first glance, it's hard to see, but if you look closely, there's the name of a fallen soldier. and a wish fulfilled. >> nick was very simple. give a kid that doesn't have anything a soccer ball. >> reporter: soccer balls with the name pfc nick handed out by u.s. troops through the charity kick for nick. it began on the lawn of the american legion in wilton, connecticut. nick loved soccer. when he joined the army, he took his love the game with him overseas. back home on leave in 2006, nick shared with his family hundreds of pictures of children in iraq playing with a few beat-up soccer balls. >> what did he tell you about those kids? >> they had developed their skills to the point just kicking

find. and he had also connected with them. >> reporter: soccer was the connection. nick returned to iraq. five months later, what his parents feared most happened. >> i looked right past the two army officers, it didn't even register. he said your son was killed in iraq eight hours ago. >> reporter: the family turned heartbreak into a mission. donations poured in. den years later, have made their way to 28 countries around the world. for nick's dad, the reason to keep going is captured in one special photo. >> that little boy in afghanistan, with that soccer ball and that big smile. >> reporter: and that's exactly what nick was hoping for. rehema ellis, nbc news, wilton, connecticut. >> what a wonderful legacy he leaves. that's going to do it for us on this tuesday night. i'm lester holt. for all of us at nbc

as we say goodnight, a look outside at the famous rockefeller center skating rink, celebrating 80 years of fun with its grand opening today. next at 7:00 helping others. lee cal man loses -- a local man helping loses his life while cleaning up after hurricane matthew. well northern ohio we do have some warmer temperatures coming in.

little nippy. we will have details on what you can expect coming up. doctors discover their bibe had no heart beat at 35 weeks. find out who reached out to them to help them heal. aby had no heart beat at 35 weeks. find out who reached out to them to help them heal. a lot of out. that goes to show that is why you play the game inside the lines. anything can happen in october. [ cheering and applause ] >> we believe in each other and we believe that we can go out there and play this game of baseball. [ cheering and applause ] >> an evening of ski goggles and champagne there in boston and they are back here tonight. the next round is friday. we have everything the indians related you need to know.